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Hitachi Information Control Systems, Inc.

USPTO Granted Patents = 9

% Expired Patents = 11.1

EPO Patents = 4

Forward Citations = 179

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43 inventors (with patents filed for the assignee):

Makoto Tachikawa (2 out of 6 patents)

Noboru Azusawa (2 out of 12 patents)

Takeshi Katoh (2 out of 8 patents)

4. Tadashi Okamoto (2 out of 8 patents)

5. Setsuo Tsuruta (2 out of 9 patents)

6. Akihiro Ohhashi (2 out of 2 patents)

7. Hitoshi Saitoh (2 out of 2 patents)

8. Junichi Hamano (2 out of 3 patents)

9. Kiyomi Kishi (2 out of 3 patents)

10. Toshihiro Eguchi (1 out of 7 patents)

11. Michio Suzuki (1 out of 39 patents)

12. Yasuhiro Nakatsuka (1 out of 55 patents)

13. Masahiro Nagasu (1 out of 26 patents)

14. Hiroshi Arita (1 out of 29 patents)

15. Yasuwo Watanabe (1 out of 4 patents)

9 patents: Sort by Forward Citations

1. 7814223 - Packet communication device, packet communication system, packet communication system, packet communication module, data processor, and data transfer system (2010-10-12),

2. 7577668 - Information transmission system and information transmission method (2009-08-18),

3. 5940817 - Problem solving method and system (1999-08-17),

4. 5737513 - Method of and system for verifying operation concurrence in (1998-04-07),

5. 5659734 - Cooperation scheme for plural work stations (1997-08-19),

6. 5581759 - Apparatus and method for controlling a system process (1996-12-03),

7. 5483631 - Communication network management system for displaying operation states (1996-01-09),

8. 5444618 - Apparatus and method for topographic processing (1995-08-22),

9. 5355482 - Apparatus and method for controlling a system process (1994-10-11),

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USPTO Data Jan 1 1976 - Sep 29 2026

9 Patents

#37 in Ibaraki

#4,692 in Japan

Hitachi Information Control Systems, Inc.

Forward Citations = 179

43 inventors:

Makoto Tachikawa (2 out of 6 patents)

Noboru Azusawa (2 out of 12 patents)

Takeshi Katoh (2 out of 8 patents)

4. Tadashi Okamoto (2 out of 8 patents)

5. Setsuo Tsuruta (2 out of 9 patents)

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